The total number of DNFs, did not finishes, in the grand tours.
| Pos. | Rider | DNFs | Starts | Finishes | % | |
|---|---|---|---|---|---|---|
| 1 | CIPOLLINI Mario | 21 | 27 | 6 | 78 | results |
| 2 | KIRSIPUU Jaan | 15 | 15 | - | 100 | results |
| 3 | SVORADA Ján | 14 | 24 | 10 | 58 | results |
| 4 | PETACCHI Alessandro | 14 | 32 | 18 | 44 | results |
| 5 | MCEWEN Robbie | 14 | 26 | 12 | 54 | results |
| 6 | CANCELLARA Fabian | 14 | 21 | 7 | 67 | results |
| 7 | FREIRE Óscar | 13 | 17 | 4 | 76 | results |
| 8 | BALDATO Fabio | 12 | 25 | 13 | 48 | results |
| 9 | RENSHAW Mark | 12 | 17 | 5 | 71 | results |
| 10 | MARTIN Tony | 12 | 21 | 9 | 57 | results |
| 11 | SKIBBY Jesper | 11 | 22 | 11 | 50 | results |
| 12 | FONTANELLI Fabiano | 11 | 20 | 9 | 55 | results |
| 13 | LEONI Endrio | 11 | 13 | 2 | 85 | results |
| 14 | BOONEN Tom | 11 | 14 | 3 | 79 | results |
| 15 | REBELLIN Davide | 11 | 19 | 8 | 58 | results |
| 16 | FERNÁNDEZ Juan | 10 | 18 | 8 | 56 | results |
| 17 | PLANCKAERT Eddy | 10 | 13 | 3 | 77 | results |
| 18 | CAVENDISH Mark | 10 | 24 | 14 | 42 | results |
| 19 | VERBRUGGHE Rik | 10 | 16 | 6 | 63 | results |
| 20 | NOVAK Anatole | 10 | 20 | 10 | 50 | results |